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The Duron is pin-compatible with the Athlon and virtually indistinguishable from it, operating on the same motherboards in most cases. The only external way to tell is by reading the small text on the core, stating either "Athlon" or "Duron". The Duron has the same 128 KiB of level 1 cache as the Athlon, but only 64 KiB of level 2 cache, as compared to 256 KiB on the more expensive chip. Because of this, the Duron generally lags behind the Athlon on businessHistorically, the term business referred to activities or interests. By extension the word became (as recently as the 18th century) synonymous with an individual commercial enterprise. It has also taken on the more general meaning of a nexus of commercial applications, but keeps up in floating-point operations thanks to its powerful FPU, which is identical to the Athlon's. The original Duron was limited to operating on a 100 MHz front-side bus speed ( DDR200), while the Athlon at the time could run on a bus clock of 133 MHz ( DDR266). Later Durons supported a 133MHz bus (DDR266).
The original Duron, on the "Spitfire" core, was manufactured in 2000 and 2001 at speeds ranging from 600 to 950 MHz. It was based on the " Thunderbird" Athlon core. The second-generation Duron, the "Morgan" core, is sold in speed grades between 1000 and 1300 MHz, and is based on the Athlon XP "Palomino" core.
In 20032003 is a common year starting on Wednesday (link will take you to calendar), and also: The International Year of Freshwater The European Disability Year Summary Perhaps the defining global event of the year 2003 was the Invasion of Iraq launched by the U, AMD released several new iterations of the Duron, based on the " Thoroughbred" core, in this case, codenamed "Applebred". The "Applebred" Duron is available in 1.4GHz, 1.6GHz and 1.8GHz forms, all on a 133MHz ( DDR266) bus by default. Enthusiast groups have discovered these Durons to be largely rebadged, unmodified, Thoroughbred cores, with some enthusiasts successfully turning their Durons into fullblown Athlon XP's with 256 KiB of L2 cache.
The Duron was discontinued in 2004, and replaced by the Sempron.
see also: List of AMD microprocessors, List of AMD Duron microprocessors